Bad Creek Spring flows at 81°F (27°C) in Lake County's volcanic highlands, a modest thermal discharge rising 21 degrees above the surrounding air temperature near Cobb.
The spring emerges at 1,679 feet elevation via short walk from Big Canyon Road through forested landscape. Volcanic ridges and oak woodlands characterize the terrain. The modest thermal output supports riparian vegetation where Bad Creek flows, creating a small oasis in the highland forest.
History of Bad Creek Spring
Bad Creek Spring sits within the Clear Lake volcanic field, sharing the geothermal character of its neighboring springs. The spring's modest temperature reflects limited heat flow compared to higher-temperature springs in the same volcanic system.
Reach the spring via short walk from Big Canyon Road through pleasant forest. Spring through fall offers the most comfortable visiting conditions. The nearby Warm Springs Recreation Area at Lake Sonoma provides additional day-use amenities. This spring appeals to visitors seeking quieter, less-visited thermal locations.
Is Bad Creek Spring worth visiting?
Best for
- Warm-water soaking
- Overnight camping trips
Bad Creek Spring is well suited for warm-water soaking and overnight camping trips.
Annual Precip: 25.6 in
Annual Snow: 1.9 in
January
Air 46°F · Water 81°F · +35° contrast
December
Air 46°F · Water 81°F · +35° contrast
February
Air 48°F · Water 81°F · +33° contrast
January offers 31°F more contrast than August
Overview
Warm Springs Recreation Area is a day-use park located at Lake Sonoma, which is just a 45 minute drive north of Santa Rosa and a 2 hour trip from San Francisco. There is no overnight camping available at this facility
World famous vineyards and a land rich in history surround the lake, where visitors enjoy boating, fishing and exploring the area's extensive trail network.Recreation
The Woodland Ridge Nature Trail begins at the park and winds up the ridge, rewarding hikers with great...
Reserve on Recreation.gov →
Swimsuit & towel
Water bottle
Stay hydrated, especially in hot water
Camping gear
Nearby camping at Warm Springs Rec Area
Trash bag
Pack out what you pack in
USGS Quad: (WHISPERING PINES 7.5) · NOAA: 17.0 · AMS Map: SANTA ROSA
What is the water temperature at Bad Creek Spring?
Bad Creek Spring has a water temperature of 81°F (27°C). This is a warm thermal spring.
Where is Bad Creek Spring located?
Bad Creek Spring is located in Lake County, California at 1,679 feet elevation, near Cobb. Coordinates: 38.8500°N, 122.6670°W.
How do I get to Bad Creek Spring?
Bad Creek Spring has Short Walk road access, with the nearest road being Big Canyon Road (399 ft from the road).
Can I camp near Bad Creek Spring?
Yes, Warm Springs Rec Area is located nearby (20.1 miles away).
Is it safe to soak at Bad Creek Spring?
Bad Creek Spring is generally safe for soaking at its recorded temperature. Access may be on private land or unconfirmed — verify current conditions before visiting. Always tell someone your plans before visiting remote hot springs.
Is Bad Creek Spring crowded?
Bad Creek Spring sees varying levels of visitors depending on the season and day of the week.
What should I bring to Bad Creek Spring?
Essentials for Bad Creek Spring: swimsuit, towel, water bottle, camping gear, a trash bag to pack out what you pack in.